refactor: init cypress-cucumber-preprocessor install.

node_modules/@babel/runtime/helpers/classPrivateMethodGet.js

@@ -0,0 +1,9 @@
+function _classPrivateMethodGet(receiver, privateSet, fn) {
+  if (!privateSet.has(receiver)) {
+    throw new TypeError("attempted to get private field on non-instance");
+  }
+
+  return fn;
+}
+
+module.exports = _classPrivateMethodGet;